The Keys to Happiness
- Cast: Olga Preobrazhenskaya, Vladimir Maksimov, M. Trojanov, Alexandre Volkoff, Vladimir Gardin
- Duration: 166 minutes
- Genre: Drama
- Rating: N/A/10
- Release Date: 1913-01-02
Directed by Vladimir Gardin and Yakov Protazanov, this two-part epic was the most expensive Russian film at the time and smashed box office records. It is now considered lost, with only a 4 minute clip surviving.
